/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

/**
 * Base class for hash primitives.
 * @abstract
 * @type {Hash}
 */
class Hash {
	constructor(blockSize) {
		this._blockSize = blockSize;
		this.reset();
	}

	hash(data) {
		return this.reset().update(data).finalize();
	}

	reset() {
		return this;
	}

	update(data) {
		this._hash.update(data);
		return this;
	}

	finalize() {
	}
}

module.exports = Hash;
